1428222207 has 8 divisors (see below), whose sum is σ = 2016313776. Its totient is φ = 896139392.

The previous prime is 1428222199. The next prime is 1428222221. The reversal of 1428222207 is 7022228241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1428222207 - 2³ = 1428222199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428222227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14002128 + ... + 14002229.

It is an arithmetic number, because the mean of its divisors is an integer number (252039222).

Almost surely, 2^1428222207 is an apocalyptic number.

1428222207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1428222207 is a deficient number, since it is larger than the sum of its proper divisors (588091569).

1428222207 is a wasteful number, since it uses less digits than its factorization.

1428222207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28004377.

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 1428222207 is about 37791.8272514045. The cubic root of 1428222207 is about 1126.1561006184.

The spelling of 1428222207 in words is "one billion, four hundred twenty-eight million, two hundred twenty-two thousand, two hundred seven".